Basic Details Surname O'Neill Forenames John Gender Male Information stated on memorial Alternative surname O'Niell War First World War (1914-1918) Served or died Died Honours Victoria Cross, Military Medal Notes He won the VC in October 1918 and survived the WWI Primary Service Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Prince of Wales's Leinster Regiment (Royal Canadians) Rank / Title (Primary - Our reference) Sergeant Death and Burial details Year of death 1942 Month of death October Day of death 16 Age at death 45 Manner of death as stated Died of a heart attack